Electromagnetism is one of the four fundamental forces of nature. Learn about the relationship between electricity and magnetism, the different wavelengths on the electromagnetic spectrum, and how an invisible force protects our entire planet.
Everest, the world’s highest mountain, has been an elite climbing destination for decades. But rising tourism in the Sagarmatha National Park, has made trash and plastics management a challenge.
In Porto Velho, capital of a Brazilian state ravaged 의해 recent fires, residents are on edge and falling ill from the pervasive smoke. A hymn describes the city's sky as forever blue, but now it's grey with smoke.
Could the future of farming rely on pooping fish? Considered to be a sustainable alternative to traditional farming, aquaponics is changing the way we grow food.
In this romantic, eerie, and breathtaking landscape, 당신 can find fossils of the first large, complex, multi-cellular organisms known in the history of life.
The populations of African penguins, a species of penguins found along the coasts of South Africa and Namibia, are declining largely due to the depletion of 물고기 stocks in the sea, and habitat encroachment.
